Select / Deselect all checkbox in gridview in VB.NET

By bryan tugade
Access over 40 UI widgets with everything from interactive menus to rich charts.

We can select and deselect checkbox in gridview in onPostback event of checkbox in gridview header.

Protected Sub CheckBox2_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs)
Dim gv As GridViewRow

Dim chkH As CheckBox = CType(GridView1.HeaderRow.FindControl("CheckBox2"), CheckBox)

If chkH.Checked = True Then
For Each gv In GridView1.Rows

Dim chk As CheckBox = CType(GridView1.Rows(gv.RowIndex).FindControl("CheckBox1"), CheckBox)
chk.Checked = True
Next
Else
For Each gv In GridView1.Rows

Dim chk As CheckBox = CType(GridView1.Rows(gv.RowIndex).FindControl("CheckBox1"), CheckBox)
chk.Checked = False
Next

End If
End Sub

Here is the sample image output.

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Select / Deselect all checkbox in gridview in VB.NET  (1550 Views)